Using Docker executor with image buildstream/testsuite-debian:9-master-119-552f5fc6 ...
Pulling docker image buildstream/testsuite-debian:9-master-119-552f5fc6 ...
Using docker image sha256:204e971f7c922a7cf2d183979221c59d19f17118495872d2b8274b42fdaa9fd9 for buildstream/testsuite-debian:9-master-119-552f5fc6 ...
section_start:1540920467:prepare_script
Running on runner-a334e492-project-1975139-concurrent-0 via runner-a334e492-gitlab-runner-autoscale-1540918953-713d7f27...
section_end:1540920469:prepare_script
section_start:1540920469:get_sources
Fetching changes...
HEAD is now at 618a6cfe Add explicit fetch flag for 'bst workspace-reset'
Checking out 25228326 as adamjones/labels...
fatal: reference is not a tree: 25228326ceb5ee6ec41ae0fa5f2a3201eb938936
section_end:1540920470:get_sources
section_start:1540920470:upload_artifacts_on_failure
section_end:1540920472:upload_artifacts_on_failure
ERROR: Job failed: exit code 1